FUSES
URB
FUSES FOR SEMICONDUCTOR PROTECTION
EUROPEAN STANDARD
SIZES 000 AND 00
Class:
aR
Voltage rating: AC 660 V – AC 1000 V
Current rating: 10 A to 400 A
Approvals:
Standards:
DIN 43653
IEC 60269-1 and -4
DIN VDE 0636-40
UL 248-13
Features / Benefits
Extremely high interrupting rating 100 kA – 300 kA
Voltage rating AC 660 V – AC 1000 V
Protection of Power Semiconductors according to IEC 60269-1 and -4
Complies with DIN 43653 – sizes 000 and 00
with or without Topindicator and trip microswitch
aR class 10 A – 400 A according to IEC 60269-4 and DIN VDE 0636-40
Fuse Bases and Accessories are available
URB 1
URB
FUSES
FUSES FOR SEMICONDUCTOR PROTECTION
EUROPEAN STANDARD
SIZES 000 AND 00
Selection
Guide
Size
Rated Voltage
AC
660 V
660 V
660 V
690/700 V
690/700 V
690/700 V
660 V
660 V
660 V
690/700 V
690/700 V
690/700 V
1000 V
1000 V
1000 V
1000 V
250 V
Fixing Center
Indicator *
Part No.
Type
20 282 04
20 282 41
20 558 04
20 282 20
20 282 21
20 558 20
20 189 04
20 189 41
20 412 04
20 189 20
20 189 21
20 412 20
20 560 20
20 560 21
20 562 20
21 189 01
28 002 05
Selector
Guide
Page
URB 3
URB 3
URB 4
URB 3
URB 3
URB 4
URB 5
URB 5
URB 6
URB 5
URB 5
URB 7
URB 8
URB 8
URB 9
Techn.
Data
Page
URB 10
URB 10
URB 10
URB 11
URB 11
URB 11
URB 12
URB 12
URB 12
URB 13
URB 13
URB 13
URB 14
URB 14
URB 14
URB 15
URB 15
000
000
000
000
000
000
00
00
00
00
00
00
00
00
00
Fuse Base
Microswitch
3,15“ (80 mm)
3.15“ (80 mm)
3.15“ (80 mm)
3.15“ (80 mm)
3.15“ (80 mm)
3.15“ (80 mm)
3.15“ (80 mm)
3.15“ (80 mm)
3.15“ (80 mm)
3.15“ (80 mm)
3.15“ (80 mm)
3.15“ (80 mm)
3.15“ (80 mm)
3.15“ (80 mm)
3.15“ (80 mm)
with Topindicator
without Topindicator
with microswitch fitting
with Topindicator
without Topindicator
with microswitch fitting
with Topindicator
without Topindicator
with microswitch fitting
with Topindicator
without Topindicator
with microswitch fitting
with Topindicator
without Topindicator
with microswitch fitting
* Minimum operating voltage for Topindicator 6.5 V
URB 2
FUSES
URB
FUSES FOR SEMICONDUCTOR PROTECTION
EUROPEAN STANDARD
SIZES 000 AND 00
Size
00
Rated
current
32 A
35 A
40 A
50 A
63 A
80 A
100 A
125 A
160 A
200 A
250 A
315 A
350 A
400 A
Rated voltage
AC 690/700 V
Part No.
Topindicator and
fitting for microswitch
20 412 20
20 412 20
20 412 20
20 412 20
20 412 20
20 412 20
20 412 20
20 412 20
20 412 20
20 412 20
20 412 20
20 412 20
20 412 20
20 412 20
UL Rec.
Standard
DIN 43653
Weight
(kg/100)
Pack
21
21
21
21
21
21
21
21
21
21
21
21
21
21
3
3
3
3
3
3
3
3
3
3
3
3
3
3
A
B
C
D
E
2.17 ”
(55 mm)
1.13 ”
(28.8 mm)
0.40 ”
(10.3 mm)
1.16 ”
(29.5 mm)
3.07 ”
(78 mm)
F
G
H
I
L
(max)
0.10 ”
(2.5 mm)
2.48 ”
(63 mm)
3.15 ”
(80 mm)
1.54 ”
(39 mm)
4.13 ”
(105 mm)
URB 7
Electrical Characteristics
FUSES
URB
Size
00
Rated
current
35 A
40 A
50 A
63 A
80 A
100 A
125 A
160 A
180 A
200 A
250 A
315 A
350 A
400 A
Part No.
with Topindicator
20 189 20
20 189 20
20 189 20
20 189 20
20 189 20
20 189 20
20 189 20
20 189 20
20 189 20
20 189 20
20 189 20
20 189 20
20 189 20
20 189 20
Rated voltage
AC 690/700 V
Part No.
without Topindicator
20 189 21
20 189 21
20 189 21
20 189 21
20 189 21
20 189 21
20 189 21
20 189 21
20 189 21
20 189 21
20 189 21
20 189 21
20 189 21
20 189 21
Operating class
Rated breaking capacity
aR
600 V / 300 kA · 700 V / 200 kA
Part No.
Topindicator and
fitting for microswitch
20 412 20
20 412 20
20 412 20
20 412 20
20 412 20
20 412 20
20 412 20
20 412 20
20 412 20
20 412 20
20 412 20
20 412 20
20 412 20
20 412 20
Power
loss
W
8
10
12
14
17
21
25
31
34
37
44
53
57
68
Pre-arcing
l
2
t-value
A
2
s
66
90
140
250
470
730
1,300
2,800
4,200
5,000
8,500
15,600
20,000
28,400
Total
l t-value @ 660 V
A
2
s
2
360
500
770
1,400
2,600
4,000
7,200
15,400
23,100
27,500
46,800
86,000
110,000
156,000
Cut-off-characteristics
Time / Current Characteristics
Ic
(kA)
t(s)
Cut-off Current Peak
Prospective Short Circuit Current
I(kA)
Arc voltage-Diagram
Reduction factor for total I
2
t-value
Reduction factor for power loss
U
L
____
V
AC
K
B
K
W
U
B
____
U
B
____
I
B
___
Virtual Pre-arcing Time
V
AC
V
AC
I
N
RMS Prospective Current
I(A)
URB 13
Electrical characteristics
Characteristics
FUSES
URB
Standard
DIN 43653
Fuse Base
400 A
Size
000 and 00
Rated voltage
AC 1000 V
600 V
Part No. 21 189 01
Rated Current: 400 A
Rated Power Acceptance: 34 W
Nut Torque: 22 Nm
A
B
C
D
E
F
G
H
I
J
K
L
(max)
M
N
4.96 ”
(126 mm)
1.57 ”
(40 mm)
0.50 ”
(13 mm)
0.75 ”
(19 mm)
3.15 ”
(80 mm)
0.12 ”
(3 mm)
1.73 ”
(44 mm)
3.82 ”
(97 mm)
0.26 ”
(6,5 mm)
0.60 ”
(15,5 mm)
0.63 ”
(16 mm)
5.75 ”
(146 mm)
M8
0.98 ”
(25 mm)
Microswitch
Rated voltage
AC 250 V
GL-Microswitch
Top indicator
Fuse-link
Rated voltage
AC 250 V
Part No. 28 002 05
Breaking capacity
non inductive Load
inductive Load
5A
5A
Rated voltage
Breaking capacity
non inductive Load
inductive Load
(L/R = 25 ms)
DC 60 V
DC 24 V
500 mA
2A
200 mA
2A
URB 15
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